Diversity of Auricularia (Auriculariaceae, Auriculariales) in Thailand

Bandara, Asanka R.; Karunarathna, Samantha C.; Phillips, Alan J. L.; Mortimer, Peter E.; Xu, Jianchu; Kakumyan, Pattana; Hyde, Kevin D.

doi:10.11646/phytotaxa.292.1.2

Cited by 15 publications

(11 citation statements)

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“…Since fungal enzymes are functional at specific temperatures, A. delicata enzymes attained their maximum activity at the temperature of 25°C -30°C which resulted to rapid mycelial growth as compared to other temperature values. Moreover, studies on the distribution and habitat of A. delicata reveal that it occurs in tropic and subtropics regions with temperature ranging from 25°C -30°C [51,52]. The habitat information of A. delicata concurs with the findings of this study which demonstrate that mycelia of A. delicata grow best at the optimal temperatures similar to the temperatures in the tropical regions.…”

Section: Determination Of Optimal Temperaturesupporting

confidence: 85%

Studies on Optimization of Culture Conditions and Medium Components for the Production of Mycelial Biomass of Auricularia delicata under Submerged Fermentation

Jacob

Xiao

Stephano

et al. 2020

AJOB

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Aims: To optimize the culture conditions and medium components for the production of mycelial biomass of A. delicata under submerged fermentation. Place and Duration of Study: China–Zambia Agricultural demonstration center and Engineering Research Center of Chinese Ministry of Education for Edible and Medicinal Fungi, Jilin Agricultural University, China between July 2019 and June 2020. Methodology: In this study, a single factor at a time method was employed in the optimization of submerged culture conditions and medium components for the production of mycelial biomass of A. delicata (strain YD 99). Each factor was screened independently while other factors were kept constant. Results: The findings of this study demonstrate that the optimal culture conditions obtained were as follows: carbon source (Glucose) 20 gl-1, pH 6.0, nitrogen source (Yeast extract) 2 gl-1, mineral elements (K2HPO4+MgSO4.7H20) 2gl-1, and incubation temperature 25°C. The application of these optimal culture conditions produced a maximum concentration of 7.34gl-1 mycelial biomass of A. delicata. Conclusion: Consequently, our results indicated that the optimization of culture conditions and medium components is of significant importance for the cultivation of A. delicata.

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Section: Determination Of Optimal Temperaturesupporting

confidence: 85%

Studies on Optimization of Culture Conditions and Medium Components for the Production of Mycelial Biomass of Auricularia delicata under Submerged Fermentation

Jacob

Xiao

Stephano

et al. 2020

AJOB

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“…Specimens of Auricularia and Termitomyces indigenous wild mushrooms were collected from Kakamega National Reserve Forest in Kenya in the months of March and May 2017 (Figure 1). The specimens were identified using molecular analysis and taxonomical keys by comparing their morphological characteristics with related literature [17–21].…”

Section: Methodsmentioning

confidence: 99%

Investigation of Antioxidant and Antimicrobial Activities of Different Extracts of Auricularia and Termitomyces Species of Mushrooms

Gebreyohannes

Nyerere

Bii

et al. 2019

The Scientific World Journal

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Mushrooms produce a variety of bioactive compounds that are known to have a potential source of antioxidant and antimicrobial properties. Natural antioxidants can protect against free radicals without any side effects. The purpose of this study was to evaluate the antioxidant and antimicrobial activities of Auricularia and Termitomyces extracts. Specimens of Auricularia and Termitomyces spp. were collected from Kakamega National Reserve Forest in Kenya. Specimens were identified, extracted, and screened for their antioxidant and antimicrobial activities using stable free radical DPPH and colorimetric bioassay methods, respectively. The antimicrobial activity of the extracts was tested against Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Staphylococcus aureus, MRSA, Candida albicans, and Candida parapsilosis. The maximum scavenging activity of hot water extract of Auricularia spp. was observed at 70.4% with the IC50 value of 40 μg/mL. Of the three extracts of Termitomyces spp., 70% ethanol extract has shown the highest scavenging activity (63%) with the IC50 value of 50 μg/mL. Chloroform and hot water extracts of Auricularia have shown statistically significantly different antifungal activities against C. parapsilosis (df = 2, F = 22.49, p ≤ 0.05). Of all the organisms, S. aureus was highly susceptible to 70% ethanol and hot water extracts of Termitomyces spp. with minimum inhibitory concentration values of 0.67±0.29 mg/mL. S. aureus and E. coli were the most susceptible and resistant bacteria to the hot water extract, respectively. In conclusion, the extracts of Auricularia spp. and Termitomyces spp. have shown promising antimicrobial and antioxidant activities.

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“…An additional ten new species, including A. [22][23][24][25][26]. In addition, the phylogenetic analysis based on nLSU sequences showed that Auricularia was polyphyletic [27][28][29], but the genus was shown to be monophyletic in recent multi-gene phylogenetic analyses based on ITS and nLSU sequences [30,31].…”

Section: Introductionmentioning

confidence: 99%

Global Diversity and Updated Phylogeny of Auricularia (Auriculariales, Basidiomycota)

Tohtirjap

Fan

et al. 2021

JoF

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Auricularia has a worldwide distribution and is very important due to its edibility and medicinal properties. Morphological examinations and multi-gene phylogenetic analyses of 277 samples from 35 countries in Asia, Europe, North and South America, Africa, and Oceania were carried out. Phylogenetic analyses were based on ITS, nLSU, rpb1, and rpb2 sequences using methods of Maximum Likelihood and Bayesian Inference analyses. According to the morphological and/or molecular characters, 37 Auricularia species were identified. Ten new species, A. camposii and A. novozealandica in the A. cornea complex, A. australiana, A. conferta, A. lateralis, A. pilosa and A. sinodelicata in the A. delicata complex, A. africana, A. srilankensis, and A. submesenterica in the A. mesenterica complex, are described. The two known species A. pusio and A. tremellosa, respectively belonging to the A. mesenterica complex and the A. delicata complex, are redefined, while A. angiospermarum, belonging to the A. auricula-judae complex, is validated. The morphological characters, photos, ecological traits, hosts and geographical distributions of those 37 species are outlined and discussed. Morphological differences and phylogenetic relations of species in five Auricularia morphological complexes (the A. auricula-judae, the A. cornea, the A. delicata, the A. fuscosuccinea and the A. mesenterica complexes) are elaborated. Synopsis data on comparisons of species in the five complexes are provided. An identification key for the accepted 37 species is proposed.

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Diversity of Auricularia (Auriculariaceae, Auriculariales) in Thailand

Cited by 15 publications

References 0 publications

Studies on Optimization of Culture Conditions and Medium Components for the Production of Mycelial Biomass of Auricularia delicata under Submerged Fermentation

Studies on Optimization of Culture Conditions and Medium Components for the Production of Mycelial Biomass of Auricularia delicata under Submerged Fermentation

Investigation of Antioxidant and Antimicrobial Activities of Different Extracts of Auricularia and Termitomyces Species of Mushrooms

Global Diversity and Updated Phylogeny of Auricularia (Auriculariales, Basidiomycota)

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